﻿/*
* Copyright 2010 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License")
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

using System;
using System.Collections.Generic;
using Ngilead.Test.Models;
using NHibernate;
using NHibernate.Criterion;

namespace Ngilead.Test.DAO
{
    /// <summary>
    /// Generic DAO contract
    /// </summary>
    public interface IGenericDAO<TModel, TId> where TModel : IModel
    {
        /// <summary>
        /// Get object by id
        /// </summary>
        /// <param name="id">Id</param>
        /// <returns>Object</returns>
        TModel LoadById(TId id);

        /// <summary>
        /// Load all objects by id
        /// </summary>
        /// <returns>All objects</returns>
        IList<TModel> LoadAll();

        /// <summary>
        /// Count all objects
        /// </summary>
        /// <returns>Count</returns>
        Int64 CountAll();

        /// <summary>
        /// Save or update object
        /// </summary>
        /// <param name="obj">Object</param>
        void Save(TModel obj);

        /// <summary>
        /// Delete object
        /// </summary>
        /// <param name="obj">Object</param>
        void Delete(TModel obj);
    }
}
